diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 6e79f09..835e778
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "htmllint-cli": "0.0.6",
     "icon-font-generator": "^1.1.2",
     "mini-css-extract-plugin": "^0.7.0",
-    "node-sass": "^4.11.0",
+    "node-sass": "^4.13.1",
     "npm-run-all": "^4.1.2",
     "postcss-loader": "^2.1.3",
     "precss": "^3.1.2",
diff --git a/yarn.lock b/yarn.lock
index 6072ff8..3f3eeb4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5516,10 +5516,10 @@ node-releases@^1.1.38:
   dependencies:
     semver "^6.3.0"
 
-node-sass@^4.11.0:
-  version "4.13.0"
-  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.13.0.tgz#b647288babdd6a1cb726de4545516b31f90da066"
-  integrity sha512-W1XBrvoJ1dy7VsvTAS5q1V45lREbTlZQqFbiHb3R3OTTCma0XBtuG6xZ6Z4506nR4lmHPTqVRwxT6KgtWC97CA==
+node-sass@^4.13.1:
+  version "4.13.1"
+  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.13.1.tgz#9db5689696bb2eec2c32b98bfea4c7a2e992d0a3"
+  integrity sha512-TTWFx+ZhyDx1Biiez2nB0L3YrCZ/8oHagaDalbuBSlqXgUPsdkUSzJsVxeDO9LtPB49+Fh3WQl3slABo6AotNw==
   dependencies:
     async-foreach "^0.1.3"
     chalk "^1.1.1"